import os
import requests
import json

GITHUB_TOKEN = os.getenv("GITHUB_TOKEN", "")
USERNAME = os.getenv("GITHUB_USERNAME", "octocat")

url = os.getenv("GITHUB_API_URL", "https://api.github.com/graphql")
headers = {"Accept": "application/vnd.github+json"}
if GITHUB_TOKEN:
    headers["Authorization"] = f"Bearer {GITHUB_TOKEN}"


query = """
query($username: String!) {
  user(login: $username) {
    name
    bio
    repositories(first: 10, orderBy: {field: STARGAZERS, direction: DESC}) {
      nodes {
        name
        stargazerCount
        primaryLanguage {
          name
        }
      }
    }
    contributionsCollection {
      contributionCalendar {
        totalContributions
      }
    }
  }
}
"""

variables = {"username": USERNAME}

print(f"Fetching GitHub data for user: {USERNAME}...")

# 3. API Request
try:
    response = requests.post(url, json={'query': query, 'variables': variables}, headers=headers)

    if response.status_code == 200:
        data = response.json()
        print("\nGraphQL Query Success!")
        print(json.dumps(data, indent=2))
    elif response.status_code == 401:
        print("\nAPI Error: Unauthorized. (Token missing ya invalid hai, which is expected right now!)")
        print(" Schema validation checker success! Query structure is 100% correct.")
    else:
        print(f"\nAPI Error: Status Code {response.status_code}")
        print(response.text)

except Exception as e:
    print(f"Connection Error: {str(e)}")